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crus cerebri

Syllabification: crus ce·re·bri
Pronunciation: /ˈserəˌbrī, ˈkerəˌbrē

Definition of crus cerebri in English:

noun (plural crura cerebri /ˈkro͝orə/)

Either of two symmetrical tracts of nerve fibers at the base of the midbrain, linking the pons and the cerebral hemispheres.
Example sentences
  • This intersecting and mingling is characteristic of association bundles, and contrasts with the orderly formation of projection tracts found in the internal capsule and crus cerebri.
  • Lateral pressure on the midbrain can, however, compress the opposite crus cerebri against the free edge of the tentorium, forming an indentation in the crus known as Kernohan's notch.
  • The Posterior Perforated Space corresponds to a whitish-grey substance, placed between the corpora albicantia in front, the pons Varolii behind, and the crura cerebri on either side.


early 18th century: from Latin, literally 'leg of the brain'.

Definition of crus cerebri in:

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